Pope Leo XIV has lung cancer. Doctors found it during surgery in Rome on Oct. 13, 2026.
Doctors removed the lower part of his right lung. The Vatican said the surgery went well.
Leo shared the news of the lump himself at his Sunday noon prayer. He did not hide it.
He spent about three hours in the operating room. The surgery itself lasted about 90 minutes.
Tests confirmed lung adenocarcinoma. It is the most common type of non-small-cell lung cancer.
Doctors found the growth while it was still small. An early catch gives a better chance.
Pope Leo will stay in the hospital for about one week. Staff will watch his breathing and strength.
All his meetings are off through Oct. 20. The pause gives him quiet time to rest.
Doctors have not talked about chemo yet. The Vatican has not shared more treatment plans.
A trip to South America is set for Nov. 6 to Nov. 17. The Vatican has not said if it will change.
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